Key result
Classical Takotsubo presentation was associated with lower left ventricular ejection fraction compared to the inverted form (30% vs. 45%, P<0.001) and higher troponin values.
Population
23 patients with Takotsubo cardiomyopathy, 19 female, aged 64 ± 19 years.
Design
Case_series
Authors
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May inform risk stratification in Takotsubo cases; single report leaves open whether presentation type predicts outcomes or warrants practice change.
Observational (n=23)
Absolute Event Rate: 30% vs 45%
p-value: p=<0.001
Right ventricular involvement occurs in approximately 28% of Takotsubo cardiomyopathy cases, but the type of presentation (classical vs. inverted) rather than RV dysfunction appears to drive the severity of functional impairment and complication risk.
Rodrigues et al. (2013) conducted an observational in Takotsubo cardiomyopathy (n=23). Classical Takotsubo presentation vs. Inverted Takotsubo presentation was evaluated on Left ventricular ejection fraction (p=<0.001). Classical Takotsubo presentation was associated with lower left ventricular ejection fraction compared to the inverted form (30% vs. 45%, P<0.001) and higher troponin values.
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